#include"head.h"
void main(int argc,char *argv[])
{
 char ch[16];
 int a,j,i,x = 0; 
 int in=open(argv[1],O_RDONLY,0); 


 printf("%07o",0);
 printf(" ");

 while((a=read(in,ch,16))!=0)
{x++;  


for(i=0;i<a;i++)
if(!iscntrl(ch[i]))
printf("%4x",ch[i]);
printf("\n");
printf("        "); 

for(j=0;j<a;j++)
if(!iscntrl(ch[j]))
printf("%4c",ch[j]);
printf("%07o",16*(x-1)+a);
printf(" ");
}
close(in);
}

